<?php
session_start();
    
    // Created By : Julian Ponce
    // B.S. Computer Science - De La Salle Canlubang
    // September 27, 2011
    // IN PARAMETERS : accountUserId
    // 
    // This AJAX Request identifies if an Account is not part of any active MainDocuments.


if ($_POST) {
    include('../includes/siteConfig.php');
    
    // CONNECT TO DATABASE
    $connect = mysql_connect($hostName,$rootName,$dBasePassword) or die ('Unable to connect!');
    mysql_select_db($dBaseName) or die ('Unable to select database!');

    // GET VARIABLES VIA POST METHOD
    $accountUserId = $_POST['accountUserId'];
     
    //QUERY TO VERIFY IF ACCOUNT CAN BE MODIFIED.
         $query = 
            "
                     SELECT *
                     FROM Log
                     WHERE documentId IN (
                          SELECT DISTINCT (MainDocument.mainDocumentId)
                          FROM MainDocument
                          WHERE MainDocument.status = 'Active'
                          ) AND userId = '$accountUserId'
            ";
        $result = mysql_query($query) or die ('Error in query: $query. ' . mysql_error());
        $numRows = mysql_num_rows($result);
        
        // THIS MEANS THAT THE ACCOUNT HAS ON GOING TRANSACTION.
        if (mysql_num_rows($result) > 0) {
            echo json_encode(1);
        }
        
        else {
            echo json_encode(0);
        }
   
    
    mysql_free_result($result);
    mysql_close($connect);
}   // End - Checker for those users who will just go to the page by typing directly in the url.
else {
 echo "You are not authorized to view this page. This incident will be reported immediately.";
}
?>
